1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 /* Authors: Keith Whitwell <keith@tungstengraphics.com>
34 #include "pipe/p_context.h"
36 #include "draw/draw_vertex.h"
38 #include "lp_tex_sample.h"
42 struct llvmpipe_vbuf_render;
45 struct lp_fragment_shader;
46 struct lp_vertex_shader;
47 struct lp_blend_state;
48 struct lp_setup_context;
49 struct lp_velems_state;
51 struct llvmpipe_context {
52 struct pipe_context pipe; /**< base class */
54 /** Constant state objects */
55 const struct pipe_blend_state *blend;
56 const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
57 struct pipe_sampler_state *vertex_samplers[PIPE_MAX_VERTEX_SAMPLERS];
58 const struct pipe_depth_stencil_alpha_state *depth_stencil;
59 const struct pipe_rasterizer_state *rasterizer;
60 struct lp_fragment_shader *fs;
61 const struct lp_vertex_shader *vs;
62 const struct lp_velems_state *velems;
64 /** Other rendering state */
65 struct pipe_blend_color blend_color;
66 struct pipe_stencil_ref stencil_ref;
67 struct pipe_clip_state clip;
68 struct pipe_resource *constants[PIPE_SHADER_TYPES];
69 struct pipe_framebuffer_state framebuffer;
70 struct pipe_poly_stipple poly_stipple;
71 struct pipe_scissor_state scissor;
72 struct pipe_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS];
73 struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
74 struct pipe_viewport_state viewport;
75 struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
77 unsigned num_samplers;
78 unsigned num_fragment_sampler_views;
79 unsigned num_vertex_samplers;
80 unsigned num_vertex_sampler_views;
81 unsigned num_vertex_buffers;
83 unsigned dirty; /**< Mask of LP_NEW_x flags */
85 /* Counter for occlusion queries. Note this supports overlapping
88 uint64_t occlusion_count;
89 unsigned active_query_count;
91 /** Mapped vertex buffers */
92 ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS];
95 struct vertex_info vertex_info;
97 /** Which vertex shader output slot contains point size */
100 /** The tiling engine */
101 struct lp_setup_context *setup;
103 /** The primitive drawing context */
104 struct draw_context *draw;
106 unsigned tex_timestamp;
112 struct pipe_context *
113 llvmpipe_create_context( struct pipe_screen *screen, void *priv );
116 static INLINE struct llvmpipe_context *
117 llvmpipe_context( struct pipe_context *pipe )
119 return (struct llvmpipe_context *)pipe;
122 #endif /* LP_CONTEXT_H */